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describe by simple experiment that spong is a porous

describe by simple experiment that spong is a porous

Grade:7

2 Answers

Arun
25750 Points
6 years ago
A sponge has minute holes,in which air is trapped, when we press it,the air is expelled out and we are able to compress it.sponge is a porous solid.but in other words the property of compressibility means an object is commpresed and it remains in that compressed shape until we apply force to get it back to its normal position and when we compress sponge it comes back to its original shape automatically in a minute or two.
Tejash Kumar Gupta
13 Points
2 years ago
A sponge is a porus solid because it has small pores in it in which air is present then when we press it it expells air and we are able to compress it. It tells us that sponge is a porus solid. Other Porus solids-Cotton cloth,soil

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